Pololu QTR-MD-05A Reflectance Sensor Array

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Pololu QTR-MD-05A Reflectance Sensor Array Detects precisely changes in reflectance around 40 mm Operates from 2.9 V to 5.5 V Offers dimmable brightness control This Pololu QTR-MD- 05A Reflectance Sensor Array pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark readings, but high-reflectance objects are generally detectable out to around 40 mm. This version features the traditional-style QTR sensors without lenses. Show more